EP0724474A4 - Catalytic method - Google Patents

Catalytic method

Info

Publication number: EP0724474A4
Authority: EP; European Patent Office
Prior art keywords: catalytic method; catalytic
Prior art date: 1994-08-18
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP95930851A

Other languages

German (de)

French (fr)

Other versions

EP0724474A1 (en

Inventor

William C Pfefferle

Subir Roychoudhury

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Precision Combustion Inc

Original Assignee

Precision Combustion Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1994-08-18

Filing date

1995-08-16

Publication date

1997-01-15

1995-08-16 Application filed by Precision Combustion Inc filed Critical Precision Combustion Inc

1996-08-07 Publication of EP0724474A1 publication Critical patent/EP0724474A1/en

1997-01-15 Publication of EP0724474A4 publication Critical patent/EP0724474A4/en

Status Withdrawn legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2807—Metal other than sintered metal
- F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
- F01N3/2817—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates only with non-corrugated sheets, plates or foils
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2825—Ceramics
- F01N3/2828—Ceramic multi-channel monoliths, e.g. honeycombs
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2835—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support fibrous
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2842—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for monolithic supports, e.g. of honeycomb type
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/06—Ceramic, e.g. monoliths
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/10—Fibrous material, e.g. mineral or metallic wool
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/12—Hydrocarbons

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Toxicology (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Ceramic Engineering (AREA)
Exhaust Gas After Treatment (AREA)
Catalysts (AREA)

EP95930851A 1994-08-18 1995-08-16 Catalytic method Withdrawn EP0724474A4 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US29236294A	1994-08-18	1994-08-18
US292362		1994-08-18
PCT/US1995/010492 WO1996005906A1 (en)	1994-08-18	1995-08-16	Catalytic method

Publications (2)

Publication Number	Publication Date
EP0724474A1 EP0724474A1 (en)	1996-08-07
EP0724474A4 true EP0724474A4 (en)	1997-01-15

Family

ID=23124341

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP95930851A Withdrawn EP0724474A4 (en)	1994-08-18	1995-08-16	Catalytic method

Country Status (4)

Country	Link
EP (1)	EP0724474A4 (en)
JP (1)	JPH09504474A (en)
CA (1)	CA2173959A1 (en)
WO (1)	WO1996005906A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19912846A1 (en) *	1999-03-22	2000-09-28	Emitec Emissionstechnologie	Catalyst body with a reduced wall thickness on the upstream side
ATE359435T1 (en) *	2002-02-28	2007-05-15	Csir	TREATMENT OF EXHAUST GASES FROM AN COMBUSTION ENGINE
US7566487B2 (en)	2004-07-07	2009-07-28	Jonathan Jay Feinstein	Reactor with primary and secondary channels
AT514228B1 (en) *	2013-04-15	2015-02-15	Ibiden Porzellanfabrik Frauenthal Gmbh	catalyst module
AT514512A1 (en)	2013-06-19	2015-01-15	Ibiden Porzellanfabrik Frauenthal Gmbh	catalyst reactor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2311475A1 (en) *	1972-04-07	1973-10-11	Ford Werke Ag	CATALYTIC IMPLEMENTATION EXHAUST GAS CLEANING SYSTEM FOR COMBUSTION MACHINES, IN PARTICULAR IN MOTOR VEHICLES
DE2614692A1 (en) *	1975-04-09	1976-10-14	Babcock Hitachi Kk	CATALYZER ACTION DEVICE
WO1987005357A1 (en) *	1986-03-10	1987-09-11	Sven Runo Vilhelm Gebelius	Exhaust system for combustion engines
EP0420462A2 (en) *	1989-09-28	1991-04-03	Rover Group Limited	A catalytic converter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4407785A (en) *	1972-11-28	1983-10-04	Engelhard Corporation	Method of conducting catalytically promoted gas-phase reactions
DE3823550A1 (en) *	1988-07-12	1990-01-18	Bayerische Motoren Werke Ag	Vehicle exhaust system with a catalytic converter body
US5051241A (en) *	1988-11-18	1991-09-24	Pfefferle William C	Microlith catalytic reaction system
US5330728A (en) *	1992-11-13	1994-07-19	General Motors Corporation	Catalytic converter with angled inlet face

1995
- 1995-08-16 CA CA 2173959 patent/CA2173959A1/en not_active Abandoned
- 1995-08-16 EP EP95930851A patent/EP0724474A4/en not_active Withdrawn
- 1995-08-16 WO PCT/US1995/010492 patent/WO1996005906A1/en not_active Application Discontinuation
- 1995-08-16 JP JP8508200A patent/JPH09504474A/en active Pending

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2311475A1 (en) *	1972-04-07	1973-10-11	Ford Werke Ag	CATALYTIC IMPLEMENTATION EXHAUST GAS CLEANING SYSTEM FOR COMBUSTION MACHINES, IN PARTICULAR IN MOTOR VEHICLES
DE2614692A1 (en) *	1975-04-09	1976-10-14	Babcock Hitachi Kk	CATALYZER ACTION DEVICE
WO1987005357A1 (en) *	1986-03-10	1987-09-11	Sven Runo Vilhelm Gebelius	Exhaust system for combustion engines
EP0420462A2 (en) *	1989-09-28	1991-04-03	Rover Group Limited	A catalytic converter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9605906A1 *

Also Published As

Publication number	Publication date
EP0724474A1 (en)	1996-08-07
JPH09504474A (en)	1997-05-06
CA2173959A1 (en)	1996-02-29
WO1996005906A1 (en)	1996-02-29

Publication	Publication Date	Title
GB9521447D0 (en)	1995-12-20	Method
GB9407512D0 (en)	1994-06-08	Catalysts
AP9500717A0 (en)	1995-04-30	Novel method
EP0682982A3 (en)	1996-06-12	Catalytic method.
GB2289946B (en)	1998-09-23	Method
GB9415334D0 (en)	1994-09-21	Catalyst
GB9414624D0 (en)	1994-09-07	Novel method
GB9417135D0 (en)	1994-10-12	Method
GB9415073D0 (en)	1994-09-14	Novel method
EP0724474A4 (en)	1997-01-15	Catalytic method
GB9400227D0 (en)	1994-03-02	Validation method
GB9507229D0 (en)	1995-05-31	Novel method
EP0668471A3 (en)	1997-06-11	Catalytic method.
GB2288341B (en)	1997-12-10	Catalysts
GB9424723D0 (en)	1995-02-08	Method
GB9401566D0 (en)	1994-03-23	Method
GB9407466D0 (en)	1994-06-08	Catalytic process
PL303370A1 (en)	1995-11-13	Catalyst regenerating method
GB9421234D0 (en)	1994-12-07	Method
GB9401106D0 (en)	1994-03-16	Method
GB9403192D0 (en)	1994-04-06	Method
GB9402414D0 (en)	1994-03-30	Method
GB9414770D0 (en)	1994-09-14	Method
GB9403193D0 (en)	1994-04-06	Method
GB9412320D0 (en)	1994-08-10	Method

Legal Events

Date	Code	Title	Description
1996-06-21	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1996-08-07	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
1997-01-08	17P	Request for examination filed	Effective date: 19961113
1997-01-15	A4	Supplementary search report drawn up and despatched	Effective date: 19961127
1997-01-15	AK	Designated contracting states	Kind code of ref document: A4 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
2000-07-07	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2000-08-23	18D	Application deemed to be withdrawn	Effective date: 20000301